Since the first pioneering efforts of Florey and Chain in 1939, the importance of antibiotics, including antibacterials, to medicine has led to intense research into producing antibacterials at large scales.

Since at least the 1960s, when Marc Bloch's Feudal Society ( 1939 ) was first translated into English in 1961, many medieval historians have included a broader social aspect that includes not only the nobility but all three estates of the realm, adding the peasantry bonds of manorialism and the estates of the Church ; this is sometimes referred to as " feudal society " since it encompasses all members of society into the feudal system.

Since 1939, guns are divided into eight categories:

Since 1939, the base's water had been supplied by pipelines that drew water from the Yateras River about northeast of the base.

Since the Second Polish Republic ( 1918 – 1939 ) Sejm has referred only to the lower house of the parliament ; the upper house is called the Senat.

Since 1 September 1939 the German University was subordinated to the Reichsministry of Education in Berlin and on 4 November 1939 it was proclaimed to be Reichsuniversität.

Since its creation in 1934, the NKVD of the USSR underwent many organizational changes ; between 1938 and 1939 alone, the NKVD's structure changed three times.

Since Infante John's and Infante Peter's deaths in 1939, Infante Philip ( son of Sancho IV and María de Molina, thus brother of Infante Peter ), Juan Manuel ( the king's second-degree uncle by virtue of being Ferdinand III's grandson ) and Juan el Tuerto ( the late Juan's son and the king's second-degree uncle ) split the kingdom among themselves according to their aspirations for regency, even as it was being looted by moors and Levantine nobility.

Blue Note 2: the Album Cover Art: The Finest in Jazz Since 1939.

Since 1939 the Zamboni family has also operated Iceland, an ice skating rink with improvements patented by Frank Zamboni.

Since 1929, it was part of the Sava Banovina, and beginning in 1939 it was part of the Banovina of Croatia.

Since September 1939 in nearby forest called Szpęgawski Forest ( north-east of the town ) Germans had killed in mass executions about 7000 Poles, among them 1680 Kocborowo ( Konradstein ) and Świecie psychiatric hospitals patients.

Since he was a witness, not a defendant, the questioning was not intended to prove Rundstedt's guilt: it was designed to bolster the prosecution's case that the high command had functioned as an organisation and that it was collectively responsible for the German invasions of various countries between 1939 and 1941 and also for the war crimes committed during those invasions.

Since June 1939, the property Frapart ( the Castle ) is used as the main establishment of the urban administration.

Since 1921 under the Peace Treaty of Riga the territory belonged to Second Polish Republic, in 1939 it became a part of the USSR and since its fall in 1991-one of 6 provinces of independent Belarus.

Since the start of the pontificate of Pope Pius XII ( 1939 – 1958 ), exceptions may be allowed for married Protestant ministers or Anglican clergy who convert to Catholicism and wish to become priests in the Catholic Church, provided their wives consent.

Since the archive was moved and re-established at Sussex University, a number of books based on the diaries commissioned by Mass Observation in 1939 have been published.

Since 1939, C. F. Møller Architects has been responsible for building activities of the university which today has a floor area of 246, 000m < sup > 2 </ sup > in the University Park alone and a series of buildings outside the Park with a total floor area of 59, 000m < sup > 2 </ sup >.

Since 1939, it has been compulsory to have third party personal insurance before keeping a motor vehicle in all federal states of Germany.

Since Sapir's death in 1939 linguists have spent their time researching his proposals, and generally there have been two opposing camps in this endeavor: the so-called " lumpers " who are generally favorably inclined towards notions of genetic relationships, and the " splitters " who are generally critical of such proposals expecting successful family relations to be proven by the most rigorous standards of scholarship.

Since 2012 Ukraine has the same date for its Navy Day as Russia and the Soviet Union ( like Russia, Ukraine is a former Soviet republic ); the Soviet Union introduced its Navy Day in June 1939 ; the date was chosen because of a connection with the day the Battle of Gangut took place.

Since her previous work, Good Morning, Midnight, was published in 1939, Rhys had lived in obscurity.

Since 1939 it had transported goods but no more passengers between the towns of Radegast and Zörbig.

Since 1944 he has also conducted regularly at the San Francisco Opera, where he made his debut with a memorable performance of Verdi's Falstaff.

Since 1954 the Negro's desire for social justice has led to an ironically anarchical rebellion.

Since the great flood of these dystopias has appeared only in the last twelve years, it seems fairly reasonable to assume that the chief impetus was the 1949 publication of Nineteen Eighty-Four, an assumption which is supported by the frequent echoes of such details as Room 101, along with education by conditioning from Brave New World, a book to which science-fiction writers may well have returned with new interest after reading the more powerful Orwell dystopia.

Since 1953 California has led the nation in enacting guarantees that public business shall be publicly conducted, but not until this year did the lawmakers in Sacramento plug the remaining loopholes in the Brown Act.

Since little is known about autism, and almost nothing has been written for the layman, we'd like to share one experienced mother's comments.

Since it was issued in the spring of 1611, the King James Version has been most generally considered the most poetic and beautiful of all translations of the Bible.

Since the Connally amendment has the effect of giving the same right to the other party to a dispute with the United States, it also prevents us from using the court effectively.

Since he has just shown who is top dog, he may not be ready to receive this highest honor in the gift of the Soviet people.

Since then nothing has happened to save the life of Pope.

Since accurate base maps are necessary for any planning program, the first step taken by the planning division to implement the long-range state plan has been to prepare two series of base maps -- one at a scale of 1 inch to a mile, and the second a series of 26 sheets at a scale of 1 inch to 2000 feet, covering the entire state.

Since then, there has been a notable increase in the number of stations and also the accumulation of additional data and the development of new techniques for using it, leading to a better understanding of propagation phenomena.

Since the Industrial Revolution, when factories emerged, this classical pattern has been followed.

Since Af are linearly independent functions and the exponential function has no zeros, these R functions Af, form a basis for the space of solutions.

Since C is rational, this correspondence has K coincidences, each of which implies a line of the pencil which meets its image.

Since the course, one member has lost her husband.

Since her bereavement this individual has reported to the writer on numerous occasions about how helpful the class discussions were to her in this adjustment crisis.

Since on the one hand school desegregation has come in Virginia hand-in-glove with pupil assignment, shall we support the plan??

Since this book is concerned only incidentally with railroad rates, it will not attempt to analyze the methods by which the staff of the Interstate Commerce Commission has estimated out-of-pocket costs and apportioned residue costs.

Since that time the telegraph office has shifted in location from the railroad station at the Depot and shops at the Center back to the town clerk's office and drugstore at the Village.

Since 1948 the working headquarters has been the Department of Geology and Mineralogy.

Since the removal force is a function of coating thickness, a differential transformer pickup has been incorporated into the instrument to accurately measure film thickness.

Since the mid 1950s, when urethane foam first made its appearance in the American market, growth has been little short of fantastic.

Since interviewing is the basic therapeutic and diagnostic instrument of modern psychiatry, the recording of interviews for playbacks and study has been a boost of Redstone proportions in new research and training.

Since 1949, the St. Louis club has been below on May 1 just four times.

Since 1927, fewer than a dozen men have made serious runs at Babe Ruth's record and each, in turn, has been thwarted.